The function deletes a route step from the <b>mes.routeStep</b> table.

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### Parameters
**routeStepId** `Integer`<br />
**userId** `Integer`: Id of user executing the function<br />

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### Returns
**# of records modified** `Integer`<br />
**message** `String` None if success<br />

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### Example
```python
# Delete a specific route step
recordsModified, msg = system.kanoa.lot.deleteRouteStep(5001, 123)
```